kilohertz (kHz) is a unit which measures
Which of the following does not pollute the air
Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body
One Joule is equal to__________
‘Bar’ is the unit of___________
“Ornithology” is the study of_____________
How many Dynes are there in one gram weight
The melting point of ice is_________
Freezing point of water is__________
The main culprit of greenhouse effect is Carbon dioxide But which is the second element contributing most to greenhouse effect